Rabbi Krisch is a seasoned lecturer and sought-after speaker who specializes in the intersection between science, technology, medicine, and authentic Judaism. He holds academic degrees in biology, health sciences, and science journalism, and Orthodox (Chabad) ordination as a rabbi and rabbinic judge. His science writing has appeared in The New York Times, The Atlantic, Scientific American, Popular Mechanics, and several other international publications (under the byline Joshua A. Krisch). He served as a Chabad emissary to Ithaca College in upstate New York for five years, conducted cancer research, worked as an EMT, and flew single-engine airplanes. He now lives in upstate New York, where he delivers daily and weekly Torah classes and works in the Biomedical Communications department at The Rockefeller University.